43252142545 has 16 divisors (see below), whose sum is σ = 54649656000. Its totient is φ = 32771348928.

The previous prime is 43252142491. The next prime is 43252142561. The reversal of 43252142545 is 54524125234.

It is a cyclic number.

It is not a de Polignac number, because 43252142545 - 2¹³ = 43252134353 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285391 + ... + 409819.

It is an arithmetic number, because the mean of its divisors is an integer number (3415603500).

Almost surely, 2^43252142545 is an apocalyptic number.

It is an amenable number.

43252142545 is a deficient number, since it is larger than the sum of its proper divisors (11397513455).

43252142545 is a wasteful number, since it uses less digits than its factorization.

43252142545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128112.

The product of its digits is 192000, while the sum is 37.

Adding to 43252142545 its reverse (54524125234), we get a palindrome (97776267779).

The spelling of 43252142545 in words is "forty-three billion, two hundred fifty-two million, one hundred forty-two thousand, five hundred forty-five".